<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>filebit</title>
    <link rel="stylesheet" type="text/css" href="csound.css" />
    <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" />
    <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" />
    <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" />
    <link rel="prev" href="ficlose.html" title="ficlose" />
    <link rel="next" href="filelen.html" title="filelen" />
  </head>
  <body>
    <div class="navheader">
      <table width="100%" summary="Navigation header">
        <tr>
          <th colspan="3" align="center">filebit</th>
        </tr>
        <tr>
          <td width="20%" align="left"><a accesskey="p" href="ficlose.html">Prev</a> </td>
          <th width="60%" align="center">Orchestra Opcodes and Operators</th>
          <td width="20%" align="right"> <a accesskey="n" href="filelen.html">Next</a></td>
        </tr>
      </table>
      <hr />
    </div>
    <div class="refentry">
      <a id="filebit"></a>
      <div class="titlepage"></div>
      <a id="IndexFileBit" class="indexterm"></a>
      <div class="refnamediv">
        <h2>
          <span class="refentrytitle">filebit</span>
        </h2>
        <p>filebit — 
      Returns the number of bits in each sample in a sound file.
          </p>
      </div>
      <div class="refsect1">
        <a id="idp102659216"></a>
        <h2>Description</h2>
        <p>
      Returns the number of bits in each sample in a sound file.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102660528"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">ir <span class="command"><strong>filebit</strong></span> ifilcod [, iallowraw]</pre>
      </div>
      <div class="refsect1">
        <a id="idp102662736"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>ifilcod</em></span> -- sound file to be queried
    </p>
        <p>
      <span class="emphasis"><em>iallowraw</em></span> -- (Optional) Allow raw sound files (default=1)
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102665376"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>filebit</em></span> returns the number of bits in each
      sample in the sound file <span class="emphasis"><em>ifilcod</em></span>.  In the
      case of floating point samples the value -1 is returned for
      floats and -2 for doubles.  For non-PCM formats the value is
      negative, and based on libsndfile's format encoding.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102668000"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the filebit opcode. It uses the file <a class="ulink" href="examples/filebit.csd" target="_top"><em class="citetitle">filebit.csd</em></a>,
and <a class="ulink" href="examples/mary.wav" target="_top"><em class="citetitle">mary.wav</em></a>.

      </p>
        <div class="example">
          <a id="idp102670624"></a>
          <p class="title">
            <strong>Example 249. Example of the filebit opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out   Audio in</span>
-odac           -iadc    <span class="comment">;;;RT audio I/O</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o filebit.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="comment">; Initialize the global variables.</span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">kr</span> <span class="op">=</span> 4410
<span class="ohdr">ksmps</span> <span class="op">=</span> 10
<span class="ohdr">nchnls</span> <span class="op">=</span> 1

<span class="comment">; Instrument #1.</span>
<span class="oblock">instr</span> 1
  <span class="comment">; Print out the number of channels in the </span>
  <span class="comment">; audio file "mary.wav".</span>
  ibits <span class="opc">filebit</span> "mary.wav"
  <span class="opc">print</span> ibits
<span class="oblock">endin</span>


<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>

<span class="comment">; Play Instrument #1 for 1 second.</span>
<span class="stamnt">i</span> 1 0 1
<span class="stamnt">e</span>


<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
          </div>
        </div>
        <p><br class="example-break" />

      The audio file <span class="quote">“<span class="quote">mary.wav</span>”</span> is in monoaural CD format, so <span class="emphasis"><em>filebit</em></span>'s output should include a line like this:
      </p>
        <pre class="screen">
instr 1:  ibits = 16.000
      </pre>
        <p>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102676672"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="filelen.html" title="filelen"><em class="citetitle">filelen</em></a>,
      <a class="link" href="filenchnls.html" title="filenchnls"><em class="citetitle">filenchnls</em></a>,
      <a class="link" href="filepeak.html" title="filepeak"><em class="citetitle">filepeak</em></a>,
      <a class="link" href="filesr.html" title="filesr"><em class="citetitle">filesr</em></a>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102681696"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: Victor Lazzarini</td>
          </tr>
          <tr>
            <td>July 1999</td>
          </tr>
        </table>
        <p>
    </p>
        <p>Example written by John ffitch.</p>
        <p>New in Csound version 5.11</p>
      </div>
    </div>
    <div class="navfooter">
      <hr />
      <table width="100%" summary="Navigation footer">
        <tr>
          <td width="40%" align="left"><a accesskey="p" href="ficlose.html">Prev</a> </td>
          <td width="20%" align="center">
            <a accesskey="u" href="OpcodesTop.html">Up</a>
          </td>
          <td width="40%" align="right"> <a accesskey="n" href="filelen.html">Next</a></td>
        </tr>
        <tr>
          <td width="40%" align="left" valign="top">ficlose </td>
          <td width="20%" align="center">
            <a accesskey="h" href="index.html">Home</a>
          </td>
          <td width="40%" align="right" valign="top"> filelen</td>
        </tr>
      </table>
    </div>
  </body>
</html>
